1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
|
; RUN: rm -rf %t
; RUN: split-file %s %t
; RUN: sed -e "s|DSTROOT|%/t|g" %t/inputs.json.in > %t/inputs.json
; RUN: yaml2obj %t/swift-objc-class.yaml -o %t/libswift-objc.dylib
// Try out dylib that only has 1 symbol for a ObjCClass, with no declarations in header.
; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
; RUN: -I%t/usr/include %t/inputs.json -o %t/missing.tbd \
; RUN: --verify-mode=ErrorsAndWarnings 2>&1 | FileCheck --check-prefix MISSING_DECL %s
; RUN: llvm-readtapi --compare %t/missing.tbd %t/missing-expected.tbd
// Try out a dylib that only has 1 symbol for a ObjCClass,
// but a complete ObjCClass decl in header.
; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
; RUN: -I%t/usr/include %t/inputs.json -o %t/mismatching.tbd \
; RUN: --verify-mode=Pedantic -DFULL_DECL 2>&1 | FileCheck --check-prefix MISMATCH_DECL %s
; RUN: llvm-readtapi -compare %t/mismatching.tbd %t/mismatching-expected.tbd
// Try out a dylib that only has 1 symbol for a ObjCClass, but is represented in header.
; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
; RUN: -I%t/usr/include %t/inputs.json -o %t/matching.tbd \
; RUN: --verify-mode=Pedantic \
; RUN: -DHAS_META_DECL 2>&1 | FileCheck --allow-empty %s
; MISSING_DECL: violations found for arm64
; MISSING_DECL-NEXT: warning: no declaration was found for exported symbol 'Metaclass of Suggestion' in dynamic library
; MISMATCH_DECL: violations found for arm64-apple-macos14
; MISMATCH_DECL: warning: declaration has external linkage, but dynamic library doesn't have symbol 'Class of Suggestion'
; CHECK-NOT: error
; CHECK-NOT: warning
;--- usr/include/mismatch.h
#if HAS_META_DECL
int metaclass __asm("_OBJC_METACLASS_$_Suggestion");
#endif
#if FULL_DECL
@interface Suggestion
@end
#endif
;--- inputs.json.in
{
"headers": [ {
"path" : "DSTROOT/usr/include/mismatch.h",
"type" : "public"
}
],
"version": "3"
}
;--- missing-expected.tbd
--- !tapi-tbd
tbd-version: 4
targets: [ arm64-macos ]
flags: [ not_app_extension_safe ]
install-name: tmp.dylib
current-version: 0
compatibility-version: 0
...
;--- mismatching-expected.tbd
--- !tapi-tbd
tbd-version: 4
targets: [ arm64-macos ]
flags: [ not_app_extension_safe ]
install-name: tmp.dylib
current-version: 0
compatibility-version: 0
exports:
- targets: [ arm64-macos ]
objc-classes: [ Suggestion ]
...
;--- swift-objc-class.yaml
--- !mach-o
FileHeader:
magic: 0xFEEDFACF
cputype: 0x100000C
cpusubtype: 0x0
filetype: 0x6
ncmds: 13
sizeofcmds: 752
flags: 0x100085
reserved: 0x0
LoadCommands:
- cmd: LC_SEGMENT_64
cmdsize: 232
segname: __TEXT
vmaddr: 0
vmsize: 16384
fileoff: 0
filesize: 16384
maxprot: 5
initprot: 5
nsects: 2
flags: 0
Sections:
- sectname: __text
segname: __TEXT
addr: 0x330
size: 0
offset: 0x330
align: 0
reloff: 0x0
nreloc: 0
flags: 0x80000000
reserved1: 0x0
reserved2: 0x0
reserved3: 0x0
content: ''
- sectname: __const
segname: __TEXT
addr: 0x330
size: 1
offset: 0x330
align: 0
reloff: 0x0
nreloc: 0
flags: 0x0
reserved1: 0x0
reserved2: 0x0
reserved3: 0x0
content: '61'
- cmd: LC_SEGMENT_64
cmdsize: 72
segname: __LINKEDIT
vmaddr: 16384
vmsize: 416
fileoff: 16384
filesize: 416
maxprot: 1
initprot: 1
nsects: 0
flags: 0
- cmd: LC_DYLD_INFO_ONLY
cmdsize: 48
rebase_off: 0
rebase_size: 0
bind_off: 0
bind_size: 0
weak_bind_off: 0
weak_bind_size: 0
lazy_bind_off: 0
lazy_bind_size: 0
export_off: 16384
export_size: 40
- cmd: LC_SYMTAB
cmdsize: 24
symoff: 16432
nsyms: 2
stroff: 16464
strsize: 48
- cmd: LC_DYSYMTAB
cmdsize: 80
ilocalsym: 0
nlocalsym: 0
iextdefsym: 0
nextdefsym: 1
iundefsym: 1
nundefsym: 1
tocoff: 0
ntoc: 0
modtaboff: 0
nmodtab: 0
extrefsymoff: 0
nextrefsyms: 0
indirectsymoff: 0
nindirectsyms: 0
extreloff: 0
nextrel: 0
locreloff: 0
nlocrel: 0
- cmd: LC_ID_DYLIB
cmdsize: 40
dylib:
name: 24
timestamp: 0
current_version: 0
compatibility_version: 0
Content: tmp.dylib
ZeroPadBytes: 7
- cmd: LC_UUID
cmdsize: 24
uuid: 4C4C4443-5555-3144-A142-97179769CBE0
- cmd: LC_BUILD_VERSION
cmdsize: 32
platform: 1
minos: 917504
sdk: 983040
ntools: 1
Tools:
- tool: 4
version: 1245184
- cmd: LC_LOAD_DYLIB
cmdsize: 96
dylib:
name: 24
timestamp: 0
current_version: 197656576
compatibility_version: 19660800
Content: '/System/Library/Frameworks/Foundation.framework/Versions/C/Foundation'
ZeroPadBytes: 3
- cmd: LC_LOAD_DYLIB
cmdsize: 56
dylib:
name: 24
timestamp: 0
current_version: 88473600
compatibility_version: 65536
Content: '/usr/lib/libSystem.B.dylib'
ZeroPadBytes: 6
- cmd: LC_FUNCTION_STARTS
cmdsize: 16
dataoff: 16424
datasize: 8
- cmd: LC_DATA_IN_CODE
cmdsize: 16
dataoff: 16432
datasize: 0
- cmd: LC_CODE_SIGNATURE
cmdsize: 16
dataoff: 16512
datasize: 288
LinkEditData:
ExportTrie:
TerminalSize: 0
NodeOffset: 0
Name: ''
Flags: 0x0
Address: 0x0
Other: 0x0
ImportName: ''
Children:
- TerminalSize: 3
NodeOffset: 32
Name: '_OBJC_METACLASS_$_Suggestion'
Flags: 0x0
Address: 0x330
Other: 0x0
ImportName: ''
NameList:
- n_strx: 2
n_type: 0xF
n_sect: 2
n_desc: 0
n_value: 816
- n_strx: 31
n_type: 0x1
n_sect: 0
n_desc: 512
n_value: 0
StringTable:
- ' '
- '_OBJC_METACLASS_$_Suggestion'
- dyld_stub_binder
FunctionStarts: [ 0x330 ]
...
// Generated from:
// xcrun -sdk macosx clang tmp.c -dynamiclib -install_name tmp.dylib
// tmp.c:
// __attribute__((visibility("default")))
// const char Meta __asm("_OBJC_METACLASS_$_Suggestion") = 'a';
|
